3. Test-run the likelihood

Then you can run an example of the DES-SV cosmic shear likelihood by doing:

cosmosis examples/des_sv.ini

4. Explore further

This will just run a test, calculating the likelihood at a single point in parameter space. To explore the likelihood you can change to a real sampler - details are in examples/des_sv.ini, as are details on what is happening in the likelihood and how to modify and experiment with it. You can also see examples/des_sv_values.ini for the input parameters, and examples/des_sv_priors.ini for the priors.

If you are new to CosmoSIS please see our front page for tutorials and reference information.